oj.uz

Submission #274814

# Submission time Handle Problem Language Result Execution time Memory
274814 2020-08-19T16:11:41 Z Saboon Last supper (IOI12_supper) C++14
0 / 100
 342 ms 9712 KB 
#include "advisor.h"
#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 10;

int last[maxn], nex[maxn];
bool mark[maxn], Good[2*maxn];

void ComputeAdvice(int *C, int N, int K, int M) {
	set<pair<int,int>> S;
	memset(last, 63, sizeof last);
	for (int i = N-1; i >= 0; i--){
		nex[i] = last[C[i]];
		last[C[i]] = i;
	}
	for (int i = 0; i < K; i++){
		S.insert({-last[i], -(i+1)});
		mark[i] = 1;
	}
	for (int i = 0; i < N; i++){
		if (mark[C[i]]){
			auto it = S.lower_bound(make_pair(-i,-maxn));
			int idx = (*it).second;
			cout << idx << " -> " << 1 << endl;
			if (idx < 0)
				Good[-(idx+1)] = 1;
			else
				Good[idx+K] = 1;
			S.erase(it);
			S.insert({-nex[i], i});
		}
		else{
			auto it = S.begin();
			int idx = (*it).second;
			cout << idx << " -> " << 0 << endl;
			if (idx < 0){
				Good[-(idx+1)] = 0;
				mark[-(idx+1)] = 0;
			}
			else{
				Good[idx+K] = 0;
				mark[C[idx]] = 0;
			}
			S.erase(it);
			mark[C[i]] = 1;
			S.insert({-nex[i], i});
		}
	}
	for (int i = 0; i < N+K; i++)
		cout << (char)(Good[i]+'0');
	cout << endl;
	for (int i = 0; i < N+K; i++)
		WriteAdvice((char)(Good[i]+'0'));
}

#include <bits/stdc++.h>
#include "assistant.h"
using namespace std;
const int maxn = 1e5 + 10;

bool mark2[maxn];
int C[maxn];

void Assist(unsigned char *A, int N, int K, int R) {
	set<int> Bad;
	for (int i = 0; i < K; i++)
		if (A[i] == '0')
			Bad.insert(i);
	for (int i = 0; i < N; i++) {
		int req = GetRequest();
		C[i] = req;
		if (mark2[req]){
			if (A[i+K] == '0')
				Bad.insert(C[i]);
			continue;
		}
		assert(!Bad.empty());
		int idx = *Bad.begin();
		PutBack(idx);
		mark2[idx] = 0;
		mark2[C[i]] = 1;
		Bad.erase(Bad.begin());
	}
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 1536 KB Error - Invalid Access
2 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 31 ms 2048 KB Error - Invalid Access
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 249 ms 7664 KB Error - Invalid Access
2 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 2048 KB Error - Invalid Access
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 39.0

# Verdict Execution time Memory Grader output
1 Incorrect 322 ms 9200 KB Error - Invalid Access
2 Incorrect 319 ms 9208 KB Error - Invalid Access
3 Incorrect 317 ms 9456 KB Error - Invalid Access
4 Incorrect 314 ms 9456 KB Error - Invalid Access
5 Incorrect 342 ms 9456 KB Error - Invalid Access
6 Incorrect 324 ms 9456 KB Error - Invalid Access
7 Incorrect 328 ms 9456 KB Error - Invalid Access
8 Incorrect 314 ms 9712 KB Error - Invalid Access
9 Incorrect 310 ms 9712 KB Error - Invalid Access
10 Incorrect 306 ms 9456 KB Error - Invalid Access